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Milk and its relationship with kidney stones has been a subject of heated discussion for some. As milk is particularly high in calcium, many people have this misconception that drinking milk can aid in the formation of calcium-based kidney stones. That is why many renal patients are advised to avoid milk and other dairy products. This article will try to answer the question, “Is milk bad for kidney stones?” in detail and will try to provide you with a nuanced discussion on the following subject.
Before answering the question, “Is milk good or bad for kidney stones?”, we must first understand what kidney stones are. Kidney stones are simply hardened masses of minerals, salts, etc. formed in the kidneys. They have multiple types like calcium oxalate stones, calcium phosphate, uric acid, and struvite stones. Kidney stones are one of the most common health disorders in the world and treating small kidney stones is rather easy. When renal stones reach a significant size, then you may experience an unbearable, shooting pain that comes in waves. You may also experience discomfort, urination issues, etc. if not treated timely, these stones can prove fatal.
One of the biggest misunderstandings regarding renal stones is the misconception that all calcium sources including milk contribute to the development of renal stones. Scientifically, it has been proven that calcium-rich sources do tend to contribute to the development of kidney stones, however, a lot depends on the specific source rather than painting all the calcium-rich sources with the same brush. In fact, calcium-based supplements are the biggest cause behind the formation of calcium-based kidney stones. Milk is beneficial for renal patients.
Now, coming to the question, “Is milk good or bad for kidney stones?”, the answer is no. Calculated consumption of milk has been shown to promote good renal health in renal patients.
Everyone knows that milk and other dairy products are rich in dietary calcium. If you have renal stones or have a tendency to develop kidney stones, keeping your consumption of calcium within the prescribed limits for adults (1,000–1,200 mg for adults) is absolutely safe. Scientific studies have demonstrated that adequate dietary calcium intake reduces the risk of calcium oxalate stone formation in the body.
For the avoidance of renal stones, the timing of the consumption of calcium-based food products becomes vital. Consuming calcium-rich foods like milk during meals promotes the binding of oxalates. This leads to a reduction of the amount of oxalate that is absorbed in our bloodstream.
Dietary calcium plays a protective role for renal patients however, excessive calcium supplementation is scientifically proven to increase the risk of renal stone formation. When you consume an excessive amount of calcium supplements, it results in elevated calcium levels in the urine. This increases your risk of getting kidney stones. It is always a great idea to check with your nephrologist before consuming any calcium supplements.
Certain dairy products like processed cheese are rich in salt. This can lead to elevated calcium excretion in urine and increase the risk of developing kidney stones. Milk, on the other hand, is naturally low in sodium and does not pose this issue, if consumed in moderation.
If you are intolerant to lactose-based products, then consuming milk is not recommended. Better go for lactose-free milk or other calcium-rich foods (like fortified plant-based milk, yogurt, or leafy greens).
Milk is fluid by nature and consuming it may help you maintain adequate hydration levels in the body, along with water. Keeping yourself well-hydrated with water, herbal teas, milk, fruit juices, etc. is vital.
As discussed in the paragraphs above, milk is not bad for renal patients and for those suffering from renal stones. In fact, it may actually play a helping hand in reducing the risk of developing calcium oxalate stones in the body. However, you need to consume a balanced diet and club milk with other products so that the calcium binds in the body well. But, if you have specific medical conditions as mentioned in the article above, then you would do well to have a thorough consultation with your healthcare provider before actively consuming milk.
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FEB 23,2022 - FEB 22,2025
